The beverage service industry originated in ancient Sumer around 4000 BC when ale, an early form of beer, was created. Sumerians began producing ale not just for themselves but also to sell to others, establishing the first bar or tavern. Taverns served as places to get drinks, especially ale, and for social gatherings. They continued to exist in ancient Egypt and Greece, with different types of establishments catering to the rich versus poor. Today's beverage service industry encompasses various types of bars, pubs, and establishments that combine drinks with food or entertainment.